Circuit board with strong bending resistance
Technical Field
The utility model belongs to the technical field of the circuit board, concretely relates to anti bending capability is strong circuit board.
Background
The circuit board is divided into a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultrathin circuit board, a printed (copper etching technology) circuit board and the like, and the circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout.
When the existing circuit board is used, the circuit board and the device are firstly attached, positioning holes between the circuit board and the device are aligned in the attaching process, then the circuit board is penetrated and fixed through a plurality of bolts, another circuit board is attached to the side face of the circuit board, and the circuit board and the device are fixed in the same mode, so that the circuit board is installed, the fixing mode is more in installation steps, and the dismounting is more complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board that anti bending ability is strong to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit board that anti bending ability is strong, includes the mainboard, the side of mainboard is provided with the second mainboard, the side of second mainboard is provided with the connection fixture block, be connected through the pivot between second mainboard and the connection fixture block, the top of connecting the fixture block is fixed with the fixed block, the side of mainboard set up with the spread groove of connecting fixture block looks adaptation, the spacing groove has been seted up on the top of spread groove, connect the bottom of fixture block and seted up the recess, and the inside of recess is provided with the stopper, the draw-in groove with stopper looks adaptation is seted up to the bottom of spread groove, the inside of draw-in groove is gone into to the stopper card, be connected with coupling spring between stopper and the recess, the fixed surface of stopper has the.
Preferably, a placing groove is formed in the main board, a plurality of fixing frames are arranged in the placing groove, and the plurality of fixing frames are in a fixed state.
Preferably, the fixing frame is formed by splicing two fixing plates, and the cross section of the fixing frame is of a triangular structure.
Preferably, the surface of connecting the fixture block is the laminating state with the inner wall of spread groove, the surface of fixed block is the laminating state with the inside of spacing groove.
Preferably, the cross section of the connecting clamping block is of a rectangular structure, and the fixing block is of a cylindrical structure.
Preferably, the size of the cross section of the clamping groove is consistent with that of the cross section of the groove, and the surface of the limiting block is attached to the inner wall of the groove.
Preferably, the limiting block is of a cylindrical structure, and a plurality of electronic components are arranged on the surface of the main board.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the connection fixture block, spread groove, stopper, the coupling spring of design, reduce the bolt quantity of running through between mainboard and second mainboard and the installation device, improve the convenient degree of installation, make simultaneously and form the connection between mainboard and the second mainboard to convenient to use.
(2) Through the designed placing groove and the fixing frame, the main board forms certain support for the interior of the main board through the triangular shape of the fixing frame, so that certain bending resistance is increased.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial connection between a motherboard and a second motherboard according to the present invention;
FIG. 3 is a schematic view of the structure of the stopper of the present invention;
FIG. 4 is a schematic view of the internal structure of the main board of the present invention;
in the figure: 1. a main board; 2. connecting grooves; 3. a second main board; 4. connecting a clamping block; 5. a limiting block; 6. a handle; 7. a connecting spring; 8. a placement groove; 9. a fixing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, the present invention provides a technical solution: a circuit board with strong bending resistance comprises a main board 1, wherein a second main board 3 is arranged on the side surface of the main board 1, a connecting clamping block 4 is arranged on the side surface of the second main board 3, the second main board 3 is connected with the connecting clamping block 4 through a rotating shaft, a fixing block is fixed at the top end of the connecting clamping block 4, a connecting groove 2 matched with the connecting clamping block 4 is formed in the side surface of the main board 1, a limiting groove is formed in the top end of the connecting groove 2, a groove is formed in the bottom end of the connecting clamping block 4, a limiting block 5 is arranged in the groove, a clamping groove matched with the limiting block 5 is formed in the bottom end of the connecting groove 2, the limiting block 5 is clamped into the clamping groove, a connecting spring 7 is connected between the limiting block 5 and the groove, a handle 6 is fixed on the surface of the limiting block 5, the connecting clamping block 4, the connecting groove 2, the limiting, improve the convenient degree of installation, make simultaneously and form the connection between mainboard 1 and the second mainboard 3 to convenient to use.
Example 2
Referring to fig. 1 to 4, the present invention provides a technical solution: a circuit board with strong bending resistance comprises a main board 1, wherein a second main board 3 is arranged on the side surface of the main board 1, a connecting clamping block 4 is arranged on the side surface of the second main board 3, the second main board 3 is connected with the connecting clamping block 4 through a rotating shaft, a fixing block is fixed at the top end of the connecting clamping block 4, a connecting groove 2 matched with the connecting clamping block 4 is formed in the side surface of the main board 1, a limiting groove is formed in the top end of the connecting groove 2, a groove is formed in the bottom end of the connecting clamping block 4, a limiting block 5 is arranged in the groove, a clamping groove matched with the limiting block 5 is formed in the bottom end of the connecting groove 2, the limiting block 5 is clamped into the clamping groove, a connecting spring 7 is connected between the limiting block 5 and the groove, a handle 6 is fixed on the surface of the limiting block 5, the connecting clamping block 4, the connecting groove 2, the limiting, improve the convenient degree of installation, make simultaneously and form the connection between mainboard 1 and the second mainboard 3 to convenient to use.
In this embodiment, preferably, the placement groove 8 is formed in the main board 1, the plurality of fixing frames 9 are disposed in the placement groove 8, the plurality of fixing frames 9 are in a fixed state, and the main board 1 is supported by the triangular shape of the fixing frames 9 through the placement groove 8 and the fixing frames 9, so that a certain bending resistance is increased.
The utility model discloses a theory of operation and use flow: the main board 1 and the second main board 3 are connected, and then the main board and the mounting device are fixed through bolts; when the mainboard 1 and the second mainboard 3 need to be connected, firstly, the handle 6 is pulled to drive the limiting block 5 to be embedded into the groove, then the connecting clamping block 4 is clamped into the connecting groove 2, in the clamping process of the connecting clamping block 4, the fixing block at the top end of the connecting clamping block 4 is clamped into the limiting groove, then the handle 6 is loosened, the limiting block 5 is embedded into the clamping groove under the elastic force action of the connecting spring 7, then the mainboard 1, the second mainboard 3 and the mounting device are fixed by bolts, through the designed connecting clamping block 4, the connecting groove 2, the limiting block 5 and the connecting spring 7, the number of bolt penetration between the mainboard 1 and the second mainboard 3 and the mounting device is reduced, the mounting convenience is improved, and meanwhile, the mainboard 1 and the second mainboard 3 are connected, so that the use is convenient; through the designed placing groove 8 and the fixing frame 9, the main board 1 forms certain support for the interior of the main board 1 through the triangular shape of the fixing frame 9, so that certain bending resistance is increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.